Digital droop detector
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 12, 2024
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N/A
app pub date -
Oct 19, 2022
filing date -
Oct 19, 2022
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Abstract
A circuit detects a voltage droop exhibited by a power supply. A first signal delay line outputs a first delayed signal, and is comprised of delay elements having a first threshold voltage. A second delay line outputs a second delayed signal, and is comprised of delay elements having a second threshold voltage that is higher than the first threshold voltage. A phase detector compares the first and second delayed signals and outputs a comparison signal indicating which of the first and second signal delay lines exhibits a shorter delay. A reset circuit resets the first and second signal delay lines in response to the comparison signal, and a clock controller outputs a command to adjust a clock frequency or engage in other mitigation measures based on the comparison signal.
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